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Discussion Starter #1
What size fuse is recommended for

10 ga wire -
12 ga wire -
14 ga wire -
16 ga wire -
18 ga wire -
 

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140th phuckstick bitches
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13,678 Posts
Cable Size/
Wire Gauge.........Current Capacity Amperage (amps)
1/0.....................350
2........................225
4........................150
8........................100
10.......................60
12.......................40
14.......................25
16.......................15
 

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140th phuckstick bitches
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13,678 Posts
The info I posted above is what a given wire size has for "max" capacity, not what one should "fuse" that wire at.
 

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40 amp for for #8
30 amp fuse for #10
20 amp for #12
15 amp for #14

Copper Conductors.

I don't use anything smaller than #14 in my rig.
 

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It is not just wire size to fue size. You have to factor in the length of the wire. The longer the wire the larger the wire needs to be at he same amps due to voltage loss.
 

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You fuse the device, not the wire. If your stereo only should pull 7amps, and you use a 10amp fuse, it doesnt matter if you have 10ga or 1/0 wire feeding the stereo, it still should only have a 10amp fuse.
 

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26,607 Posts
Cable Size/
Wire Gauge.........Current Capacity Amperage (amps)
1/0.....................350
2........................225
4........................150
8........................100
10.......................60
12.......................40
14.......................25
16.......................15
More complex than that, example a big truck might only have 1/0 cables, but the starter grabs 2000+ amps at its peak.
 

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You fuse the device, not the wire. If your stereo only should pull 7amps, and you use a 10amp fuse, it doesnt matter if you have 10ga or 1/0 wire feeding the stereo, it still should only have a 10amp fuse.

Agreed!
 
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